221b Baker Street slot machine game is inspired by the famous fictional detective Sherlock Holmes and his assistant doctor Watson, characters created by Sir Arthur Conan Doyle. This game, developed by Merkur Gaming, consists of 5 reels and 20 paylines and it takes the players into the 19th century London to meet the famous crime-solving duo.

Elementary, My Dear Watson

Free online 221b Baker Street slot machine gives you the opportunity to bet on 20 lines. This feature can be changed, and it is possible to place your wagers on 1, 5, 10 or 15 lines, although it is recommended to bet on all 20 in order to maximize your winning odds. The betting value ranges from 0,01 to 2 coins making the 221b a low volatility machine with the maximum bet of 40 coins.

Gamble Feature – allows the bettors to further increase their wins by guessing the right color of the faced down card or using the ladder system, where you have lower and higher value that you can win.

Auto Start - this button will enable auto play with up to

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